In an ideal P.F.R. at steady state conditions There may be diffusion along the flow path There is no lateral mixing of fluid The conversion of the reactant varies from point to point along a flow path The composition of reactants remains constant along a flow path TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called Operational yield Selectivity Relative yield None of these TRUE ANSWER : ? YOUR ANSWER : ?
For the chemical reaction X → Y, it is observed that, on doubling the concentration of 'X', the reaction rate quadruples. If the reaction rate is proportional to Cxn, then what is the value of 'n' ? 16 43834 2 4 TRUE ANSWER : ? YOUR ANSWER : ?
A batch reactor is Suitable for liquid phase reactions involving small production rate Least expensive to operate for a given rate Suitable for gas-phase reactions on commercial scale Most suitable for very large production rate TRUE ANSWER : ? YOUR ANSWER : ?
The rate constant of a chemical reaction decreases by decreasing the Duration of reaction Concentration of reactants Pressure Temperature TRUE ANSWER : ? YOUR ANSWER : ?
Rate of a chemical reaction is not influenced by the Reactants concentration Catalyst Number of molecules of reactants taking part in a reaction Temperature TRUE ANSWER : ? YOUR ANSWER : ?
Differential method for analysing the kinetic data is used When the data are scattered None of these When rate expressions are very simple For testing complicated mechanisms TRUE ANSWER : ? YOUR ANSWER : ?
The increase in the rate of reaction with temperature is due to None of these Increase in the number of effective collisions Increase in the average kinetic energy of the reacting molecules Decrease in activation energy TRUE ANSWER : ? YOUR ANSWER : ?
From Arhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is °K K cal K cal. °K K cal/°K TRUE ANSWER : ? YOUR ANSWER : ?
The catalyst in a second order reversible reaction increases the rate of the forward reaction And backward reaction equally To a greater extent than that of the backward reaction Only And decreases that of backward reaction TRUE ANSWER : ? YOUR ANSWER : ?